Help request! Biostratigraphic reality check needed for geologic time educational tool.
- algae
- ammonoidea
- arthropoda
- biostratigraphy
- brachiopoda
- bryozoa
- cambrian
- carboniferous
- cephalopoda
- chitinozoa
- chondrichthyes
- cnidaria
- cretaceous
- crinoidea
- crustacea
- devonian
- diatoms
- echinodermata
- echinoid
- eocene
- fish
- foraminifera
- gastropoda
- ichnology
- invertebrates
- jurassic
- microfossils
- miocene
- mississippian
- mollusca
- neogene
- oligocene
- ordovician
- ostracoda
- paleocene
- paleogene
- pelecypoda
- pennsylvanian
- permian
- plants
- pleistocene
- pliocene
- radiolaria
- sharks
- silurian
- tetrapoda
- triassic
- trilobita
- vertebrates
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